CN210135907U - Monitoring system for horizontal displacement deformation of core wall of impervious body of rock-fill dam - Google Patents
Monitoring system for horizontal displacement deformation of core wall of impervious body of rock-fill dam Download PDFInfo
- Publication number
- CN210135907U CN210135907U CN201921220576.3U CN201921220576U CN210135907U CN 210135907 U CN210135907 U CN 210135907U CN 201921220576 U CN201921220576 U CN 201921220576U CN 210135907 U CN210135907 U CN 210135907U
- Authority
- CN
- China
- Prior art keywords
- core wall
- rock
- impervious body
- monitoring
- walking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model relates to the field of safety monitoring, in particular to a monitoring system for horizontal displacement deformation of a core wall of an impervious body of a rock-fill dam, which comprises a first walking pipe and a track detection device, wherein the first walking pipe is attached to the outer surface of the downstream side of the impervious body core wall, and the track detection device can move in the first walking pipe; during deformation detection, the first walking guide pipe is arranged on the outer surface of the downstream side of the impervious body core wall, the track detection device is placed in the first walking guide pipe and moves along the first walking guide pipe during later monitoring, the horizontal displacement deformation condition of the impervious body core wall can be accurately obtained, the problem of horizontal displacement monitoring of the impervious body core wall of the rock-fill dam is successfully solved, the mechanical monitoring method is simple, feasible and convenient, does not need complex equipment and technicians, is high in monitoring reliability and accuracy, improves safety during operation of the rock-fill dam, and has important engineering significance.
Description
Technical Field
The utility model belongs to the technical field of the safety monitoring and specifically relates to a monitoring system that is used for rock-fill dam prevention of seepage body heart wall horizontal displacement to warp.
Background
Along with the rapid development of hydropower utilities in China, the scales and the operating conditions of various rock-fill dams are more and more complex, the safe operation of buildings in a high dam and large reservoir poses higher challenges, the requirements on the safety and the stability of the rock-fill dams are higher and higher, and the safe and stable operation of the rock-fill dams is ensured.
The rock-fill dam comprises an impervious body core wall, wherein a padding layer, a transition material layer, a rock-fill layer and an impervious layer are sequentially arranged on two sides of the impervious body core wall respectively, the impervious layer is arranged between the impervious body core wall and the padding layer, and the deformation coordination among the layers is expected in the water retaining operation process. However, in actual operation of the rock-fill dam, the stored water in the dam exerts a great impact force on the impervious body core wall, which may cause the impervious body core wall to move horizontally to the downstream side, i.e., horizontal displacement deformation (deflection) of the impervious body core wall. At present, a device and a method for monitoring horizontal displacement deformation of the impervious body core wall do not exist, so that the horizontal displacement deformation condition and the operation condition of the impervious body core wall cannot be obtained, and greater potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a monitoring system that rock-fill dam prevention of seepage body core wall horizontal displacement warp that convenient monitoring, rate of accuracy are high is provided.
The utility model provides a technical scheme that its technical problem adopted is: the monitoring system for horizontal displacement deformation of the impervious body core wall of the rock-fill dam comprises a first walking guide pipe and a track detection device, wherein the first walking guide pipe is attached to the outer surface of the downstream side of the impervious body core wall, and the track detection device can move in the first walking guide pipe.
Further, the first travel duct has a circular cross-sectional shape.
Furthermore, the upper end part of the first walking pipe is positioned at the top part of the impervious body core wall, and the lower end part of the first walking pipe is positioned at the bottom part of the impervious body core wall.
Further, the track detection device comprises a detection trolley and a track detector, and the track detector is arranged on the detection trolley.
Further, the track detector comprises a fiber optic gyroscope and an accelerometer.
Furthermore, the track detection device also comprises a processor, a first power device, a second power device, a first traction rope, a second traction rope and a steering pulley, wherein the first power device and the second power device are arranged at the top of the impervious body core wall, one end of the first traction rope is connected with the first power device, the other end of the first traction rope is connected with the upper end of the detection trolley, one end of the second traction rope is connected with the lower end of the detection trolley, the other end of the second traction rope penetrates through the steering pulley to be connected with the second power device, the steering pulley is arranged at the bottom of the first walking guide pipe, and the track detector is connected with the processor.
Further, still include second walking pipe, second walking pipe passes bed of packing, transition bed of material, the rockfill layer horizontal setting of rockfill dam in proper order, and one end of second walking pipe is located the impervious body core wall of rockfill dam, and another tip is located the outside at the rockfill layer, and orbit detection device can remove in second walking pipe.
The utility model has the advantages that: the detection system of the utility model comprises a first walking pipe and a track detection device, wherein the first walking pipe can be attached to the outer surface of the downstream side of the impervious body core wall in a pre-embedded mode, and the first walking pipe can generate the same deformation when the impervious body core wall generates horizontal displacement deformation towards the downstream side; during deformation detection, the track detection device is only required to move along the first walking guide pipe from top to bottom, the track detection device detects the moving track of the track detection device, and a moving track curve of the track detection device is obtained through analysis and calculation, wherein the moving track curve is a curve formed by the position of the outer surface of the downstream side of the impervious body core wall during detection; it can be seen that, the utility model discloses detection system only needs to set up first walking pipe on the downstream side surface of impervious body core with earlier, during later stage monitoring time again place first walking pipe with orbit detection device, and remove along it, just can accurately obtain the condition that impervious body core horizontal displacement warp, the problem of rock-fill dam impervious body core horizontal displacement monitoring has been successfully solved, this is the monitoring methods of mechanical type, do not need complicated equipment and technical staff, it is simple and easy, convenient monitoring, reliability and accuracy of monitoring are high, improve the security when rock-fill dam operates, important engineering significance has, provide very good application example for rock-fill dam impervious body core horizontal displacement monitoring, can promote in similar engineering comprehensively.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is a schematic diagram of a moving track curve of a detection trolley during horizontal displacement monitoring of an impervious body core wall of a rock-fill dam;
FIG. 5 is a schematic diagram of a moving track curve of a detection trolley during monitoring of dislocation deformation between layers of a rock-fill dam;
the labels in the figure are: the device comprises a first walking guide pipe 1, a padding layer 2, a transition material layer 3, a rock-fill layer 4, a detection trolley 5, a fiber optic gyroscope 6, an accelerometer 7, an impervious body core wall 8, a reverse filter layer 9, a second walking guide pipe 10, a first traction rope 11, a second traction rope 12 and a steering pulley 13.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model discloses a monitoring system for rock-fill dam impervious body core horizontal displacement warp, including first walking pipe 1, orbit detection device, first walking pipe 1 pastes through pre-buried mode and leans on the downstream side surface that sets up at impervious body core 8, and orbit detection device can remove in first walking pipe 1.
Specifically, the first traveling duct 1 is preferably a stainless steel pipe, and in order to facilitate the movement of the trajectory detection device in the first traveling duct 1, the cross-sectional shape of the first traveling duct 1 is circular, that is, the traveling duct 1 is cylindrical. In order to ensure the monitoring completeness of horizontal displacement deformation of the impervious body core wall, the impervious body core wall 8 is completely monitored, the upper end part of the first walking guide pipe 1 is positioned at the top of the impervious body core wall 8, and the lower end part of the first walking guide pipe 1 is positioned at the bottom of the impervious body core wall 8, so that the track detection device is conveniently placed in the first walking guide pipe 1 to carry out in-and-out detection.
The track detection device is used for detecting the moving track of the track detection device, and in order to facilitate the track detection device to move in the first walking guide pipe 1, as shown in fig. 2, the track detection device comprises a detection trolley 5 and a track detector, and the track detector is arranged on the detection trolley 5. The track detector preferably comprises an optical fiber gyroscope 6 and an accelerometer 7, the optical fiber gyroscope 6 can detect the movement angular velocity of the monitoring trolley 5 during movement, the accelerometer 7 can detect the acceleration of the monitoring trolley 5 during movement, then the inclination angle value of the monitoring trolley 5 during movement is calculated, the movement angular velocity and the inclination angle value of the monitoring trolley 5 during movement are obtained, the optimal inclination angle value is calculated through strapdown, integral operation is carried out, the movement trajectory line of the monitoring trolley 5 is obtained after calculation, the movement trajectory line is a curve formed by the positions of the outer surface of the downstream side of the impervious body core wall 8 during detection, and the condition of horizontal displacement deformation of the impervious body core wall of the rock-fill dam can be accurately obtained through curve analysis. In order to facilitate the detection of the movement of the trolley 5, the track detection device of the utility model also comprises a first power device, a second power device, a first traction rope 11, a second traction rope 12, a steering pulley 13 and a first power device, the second power device is arranged at the top of the impervious body core wall 8, one end of a first traction rope 11 is connected with the first power device, the other end of the first traction rope is connected with the upper end of the detection trolley 5, one end of a second traction rope 12 is connected with the lower end of the detection trolley 5, the other end of the second traction rope penetrates through a steering pulley 13 to be connected with the second power device, the steering pulley 13 is arranged at the bottom of the first walking guide pipe 1, the first power device and the second power device can be motors, the first power device and the first traction rope 11 enable the detection trolley 5 to move up and down along the first walking guide pipe 1, and the second power device and the first traction rope 12 enable the detection trolley 5 to move up and down along the first walking guide pipe 1. In order to improve the efficiency of calculating and analyzing data and improve the automation level, the track detection device further comprises a processor, the track detection device is connected with the processor, the track detection device detects the moving track of the detection trolley and sends the detected data to the processor, and the processor analyzes and calculates the obtained data to obtain the moving track curve of the detection trolley 5.
The monitoring method adopting the monitoring system comprises the following steps:
a. arranging a first walking pipe 1 on the outer surface of the downstream side of an impervious body core wall 8 of the rock-fill dam, wherein the upper end part of the first walking pipe 1 is positioned at the top of the impervious body core wall 8, and the lower end part of the first walking pipe 1 is positioned at the bottom of the impervious body core wall 8;
b. under the action of the first power device and the first traction rope 11, the detection trolley 5 moves in the first walking guide pipe 1 from top to bottom, a track detector is arranged on the detection trolley 5, detects the moving track of the detection trolley 5 and sends the detected data to the processor;
c. the processor analyzes and calculates the data obtained in the step b to obtain a moving track curve of the detection trolley 5;
d. and obtaining the horizontal displacement deformation condition of the core wall of the impervious body of the rock-fill dam according to the moving track curve of the detection trolley 5.
In step b, the trajectory detector comprises a fiber optic gyroscope 6 and an accelerometer 7. It is obtained through a large number of practices and experiments that the track detector preferably comprises an optical fiber gyroscope 6 and an accelerometer 7, the optical fiber gyroscope 6 can detect the movement angular velocity of the monitoring trolley 5 during movement, and the accelerometer 7 can detect the acceleration of the monitoring trolley 5 during movement, so as to calculate the inclination angle value of the monitoring trolley 5 during movement.
When the obtained trajectory line is not deformed, the moving trajectory curve of the detection trolley 5 is a straight line, as shown in fig. 4, after the impervious body core wall 8 is deformed by horizontal displacement, the moving trajectory curve of the detection trolley 5 is a curve, the straight line in the figure is the trajectory line obtained when a certain rock-fill dam is not deformed, the curve is the trajectory line obtained when deformation occurs, and the difference value between the two moving trajectory lines in the horizontal direction is the horizontal displacement deformation value of the impervious body core wall 8.
Except 8 horizontal displacement deformation of impervious body core wall influence rock-fill dam's operation safety, rock-fill dam layer dislocation is out of shape and is also showing the operation safety who influences the rock-fill dam, as shown in fig. 1, fig. 3, the utility model discloses still be provided with second walking pipe 10, second walking pipe 10 passes the bedding and padding layer 2 of rock-fill dam in proper order, transition bed of material 3, the setting of 4 levels of rock-fill body layer, and a tip of second walking pipe 10 is arranged in the impervious body core wall 8 of rock-fill dam, and another tip is arranged in the outside at rock-fill body layer 4, and orbit detection device can remove in second walking pipe 10. The axial line of the impervious body core wall 8 of the rock-fill dam is used as a boundary, the rock-fill dam is divided into a dam body upstream part and a dam body downstream part, and in order to facilitate the installation of the second walking guide pipe 10 and the later detection implementation, the second walking guide pipe 10 is horizontally arranged in the dam body downstream part in a pre-buried mode. When the dislocation deformation between rock-fill dam layers is detected, the detection trolley 5 moves in the walking guide pipe 1 and along the walking guide pipe under the action of the power device and the transmission device, the detection trolley 5 is provided with a track detector, the track detector detects the moving track of the detection trolley 5 and sends the detected data to the processor; the processor analyzes and calculates the obtained data to obtain a moving track curve of the detection trolley 5; and obtaining the dislocation deformation condition among the padding layer 2, the transition material layer 3 and the rock-fill layer 4 of the rock-fill dam according to the moving track curve of the detection trolley 5. When the track line obtained by the inter-layer dislocation deformation does not occur, the moving track curve of the detection trolley 5 is a straight line, as shown in fig. 5, after the inter-layer dislocation deformation occurs in the rock-fill dam, the moving track curve of the detection trolley 5 is a curve, the straight line in the figure is the track line obtained by the un-deformed rock-fill dam, the curve is the track line obtained by the deformed rock-fill dam, and the difference value of the two moving track lines in the vertical direction is the inter-layer dislocation deformation value of the rock-fill dam.
The surface of the impervious body core wall 8 of some rock-fill dams is also provided with a reverse filter layer 9, and the walking guide pipe 1 also passes through the reverse filter layer 9, so that the monitoring of the interlayer dislocation deformation of the reverse filter layer 9, the impervious body core wall 8 and the padding layer 2 is realized.
To sum up, the detection system of the utility model comprises a first traveling duct 1 and a track detection device, wherein the first traveling duct 1 can be attached to the outer surface of the downstream side of the impervious body core wall 8 in a pre-embedded manner, and the first traveling duct 1 can be deformed equally when the impervious body core wall 8 is deformed by horizontal displacement toward the downstream side; during deformation detection, the track detection device is only required to move along the first walking guide pipe 1 from top to bottom, the track detection device detects the moving track of the track detection device, and a moving track curve of the track detection device is obtained through analysis and calculation, wherein the moving track curve is a curve formed by the position of the outer surface of the downstream side of the impervious body core wall during detection; it can be seen that, the utility model discloses detection system only needs to set up first walking pipe 1 on impervious body core wall 8's downstream side surface earlier, place first walking pipe 1 with orbit detection device again during later stage monitoring, and remove along it, just can accurately obtain the condition that impervious body core wall horizontal displacement warp, the monitoring problem of rock-fill dam impervious body core wall horizontal displacement has successfully been solved, this is the monitoring methods of mechanical type, do not need complicated equipment and technical personnel, it is simple and easy, convenient monitoring, reliability and accuracy of monitoring are high, improve the security when rock-fill dam operates, important engineering significance has, provide very good application example for rock-fill dam impervious body core wall horizontal displacement monitoring, can promote in similar engineering is comprehensive.
Claims (7)
1. A monitoring system for rock-fill dam impervious body core wall horizontal displacement warp, its characterized in that: the anti-seepage device comprises a first walking guide pipe (1) and a track detection device, wherein the first walking guide pipe (1) is arranged on the outer surface of the downstream side of an anti-seepage body core wall (8) in an abutting mode, and the track detection device can move in the first walking guide pipe (1).
2. The system for monitoring the horizontal displacement deformation of the core wall of the impervious body of the rock-fill dam as claimed in claim 1, wherein: the cross-sectional shape of the first travel duct (1) is circular.
3. The system for monitoring the horizontal displacement deformation of the core wall of the impervious body of the rock-fill dam as claimed in claim 1, wherein: the upper end part of the first walking pipe (1) is positioned at the top of the impervious body core wall (8), and the lower end part of the first walking pipe (1) is positioned at the bottom of the impervious body core wall (8).
4. The system for monitoring the horizontal displacement deformation of the core wall of the impervious body of the rock-fill dam as claimed in claim 1, wherein: the track detection device comprises a detection trolley (5) and a track detector, wherein the track detector is arranged on the detection trolley (5).
5. The system for monitoring the horizontal displacement deformation of the core wall of the impervious body of the rock-fill dam as claimed in claim 4, wherein: the track detector comprises a fiber optic gyroscope (6) and an accelerometer (7).
6. The system for monitoring the horizontal displacement deformation of the core wall of the impervious body of the rock-fill dam as recited in claim 5, wherein: the track detection device further comprises a processor, a first power device, a second power device, a first traction rope (11), a second traction rope (12) and a steering pulley (13), wherein the first power device and the second power device are arranged at the top of the impervious body core wall (8), one end of the first traction rope (11) is connected with the first power device, the other end of the first traction rope is connected with the upper end of the detection trolley (5), one end of the second traction rope (12) is connected with the lower end of the detection trolley (5), the other end of the second traction rope penetrates through the steering pulley (13) to be connected with the second power device, the steering pulley (13) is arranged at the bottom of the first walking guide pipe (1), and the track detector is connected with the processor.
7. The system for monitoring the horizontal displacement deformation of the core wall of the impervious body of the rock-fill dam as claimed in claim 1, wherein: still include second walking pipe (10), second walking pipe (10) pass pad material layer (2), transition bed of material (3), rockfill body layer (4) horizontal setting of rock-fill dam in proper order, and a tip of second walking pipe (10) is located rockfill dam's impervious body heart wall (8), and another tip is located the outside at rockfill body layer (4), and orbit detection device can remove in second walking pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220576.3U CN210135907U (en) | 2019-07-30 | 2019-07-30 | Monitoring system for horizontal displacement deformation of core wall of impervious body of rock-fill dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220576.3U CN210135907U (en) | 2019-07-30 | 2019-07-30 | Monitoring system for horizontal displacement deformation of core wall of impervious body of rock-fill dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210135907U true CN210135907U (en) | 2020-03-10 |
Family
ID=69707840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921220576.3U Active CN210135907U (en) | 2019-07-30 | 2019-07-30 | Monitoring system for horizontal displacement deformation of core wall of impervious body of rock-fill dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210135907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274571A (en) * | 2019-07-30 | 2019-09-24 | 中国电建集团成都勘测设计研究院有限公司 | Monitoring system for rock-fill dams impervious body core-wall horizontal displacement deformation |
| CN112304274A (en) * | 2020-09-11 | 2021-02-02 | 雅砻江流域水电开发有限公司 | Core wall dam settlement monitoring method based on array type displacement meter |
-
2019
- 2019-07-30 CN CN201921220576.3U patent/CN210135907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274571A (en) * | 2019-07-30 | 2019-09-24 | 中国电建集团成都勘测设计研究院有限公司 | Monitoring system for rock-fill dams impervious body core-wall horizontal displacement deformation |
| CN112304274A (en) * | 2020-09-11 | 2021-02-02 | 雅砻江流域水电开发有限公司 | Core wall dam settlement monitoring method based on array type displacement meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210135907U (en) | Monitoring system for horizontal displacement deformation of core wall of impervious body of rock-fill dam | |
| CN102132035A (en) | Device for enabling access to a wind turbine | |
| CN107416627A (en) | A kind of elevator T type guide rail multi-parameter detecting system and method | |
| CN202216680U (en) | Dam body deep displacement monitoring system | |
| CN105197723A (en) | Variable slope slant lifting container test platform and method | |
| CN208184738U (en) | jacking construction structure | |
| CN107100220A (en) | Deep water foundation trench desilting intelligence rail bound robot | |
| CN104294864B (en) | Shallow foundation V-H-M space loading experiments of measuring device | |
| CN117268820A (en) | Integrated submarine ore collection experiment platform | |
| CN210135906U (en) | Monitoring system for dislocation deformation between rock-fill dam layers | |
| CN107701195B (en) | TBM connecting bridge multifunctional traveling device and control method thereof | |
| CN204163126U (en) | Foundation three-freedom moving static loading experimental rig | |
| CN202511750U (en) | Heating furnace stepping moving beam positioning and detection device | |
| CN106759540B (en) | Soft soil foundation Plastic Drain Slab Construction depth remote detecting system and its detection method | |
| CN207052306U (en) | A kind of double guide rail fuel transfer device manual-operated emergent mechanisms | |
| CN208650006U (en) | Submarine inspection device for plane gate gate slot | |
| CN112758287B (en) | Underwater remote control detection and disposal operation equipment and construction method thereof | |
| CN207142544U (en) | A kind of elevator T type guide rail multi-parameter detecting system | |
| CN108677883A (en) | Submarine inspection device for plane gate gate slot | |
| CN104374656A (en) | Submarine pipeline lateral moving loadtest device | |
| CN110274571A (en) | Monitoring system for rock-fill dams impervious body core-wall horizontal displacement deformation | |
| CN105403191B (en) | The automatic trailer system of inertial navigation monitoring device is seen in dam | |
| CN107764232A (en) | A kind of measuring system and its construction, measuring method for wearing river shield tunnel riverbed vertical deformation | |
| CN110510087B (en) | Underwater detection robot for trash rack of hydropower station | |
| CN107777496A (en) | Safety device, elevator device and the control method being controlled to elevator device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |